Home For Developers ERF Format 4. ERF Resource List and Resource Data

4. ERF Resource List and Resource Data

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The Resource List specifies where the data for each file is located and how big it is.

Resource List Format

The Resource List looks just like the Key list, except that it has Resource List elements instead of Key List elements. The ERF header's EntryCount specifies the number of elements in both the Key List and the Resource List, and there is a one-to-one correspondence between Keys and Resource List elements.

Resource List Element 0

Resource List Element 1

Resource List Element 2

....

Resource List Element (n-1)

Resource List Element Structure

Each Resource List Element corresponds to a single file packed into the ERF. The Resource structure specifies where the data for the file begins inside the ERF, and how many bytes of data there are.

OffsetToResource	32 bit	offset to file data from beginning of ERF
ResourceSize	32 bit	number of bytes

Resource Data

After the Resource List, all the data in an ERF consists of raw data for all the files that the ERF contains. The data for one file is packed right up against the data for the next file. The offsets and sizes in the Resource List specify where one file ends and another begins.

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